a文中根据风险评价的基本模型,确定了以老龄管线本身属性为主的评价指标。通过该指标和相应的公式预测该段管线的剩余物理寿命。 In the article acts according to the risk assessment the basic model, has determined by the old age pipeline itself attribute primarily appraisal target.Forecast this section of ...